Home / 495,458.76-743,225.18-140,501.36

Finding the Fourth Proportional to 495,458.76, 743,225.18 and 140,501.36

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Solution

The fourth proportional to 495,458.76, 743,225.18 and 140,501.36 is: 210,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,458.76 : 743,225.18 = 140,501.36 : x
  2. Step 2: Convert to fraction form
    495,458.76/743,225.18 = 140,501.36/x
  3. Step 3: Cross multiply
    495,458.76x = 743,225.18 × 140,501.36
  4. Step 4: Simplify right side
    495,458.76x = 104,424,148,576.25
  5. Step 5: Solve for x
    x = 104,424,148,576.25/495,458.76
  6. Step 6: Final answer
    x = 210,762.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.